Trying to be clever, i took 'SWAQ' as 'southwest ahn'qiraj' and found an empty cave that was empty aside from a few bones.
maybe I missed something?

Sadly that cave has been there since vanilla so I doubt it has relation to xpack or 4.3 unless they kept the cave there since vanilla and recently wanted to use it as hint..

"In the tone of their complaint you can see a mind already made up. Instead, it’s about affirmation they expected and didn’t receive. It’s not about the game getting universal praise from every writer reviewing it. It’s about getting universal praise for buying it."

World of Warcraft - The only game where people willingly pay hard-earned money every month to argue over which outdated content should be re-released for them to clear over and over again, until the next patch, when they'll argue over which old content should be released again.